Example:

make UITest_writerperfect_epubexport UITEST_TEST_NAME="epubexport.EPUBExportTest.testUIComponent"

Change-Id: I7960a71574d8d3d9cb06399813c7370700579c3d
Reviewed-on: https://gerrit.libreoffice.org/49246Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>